You are finally ready to start a new experiment with plasma or serum – congratulations! But what kind of data should you be expecting? Your results might surprise you, especially if you work with cellular sample types such as tissue biopsies.

The National Institute of Health estimates that approximately 6 in 100 000 individuals develop brain or central nervous system-related cancers each year1. Current approaches in the diagnosis of brain cancer include CT scans, MRI and tissue biopsy.